UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O/1cLxYSIlzEOoMpbzErkgqXHJYxB9UOAckSv6ip6ms=' 
WHERE 
  key_id = '2b34e56d27c09de90c4905370cc307ca9ab107c17003158e93a652cee958d962' 
  AND (
    token = 'O/1cLxYSIlzEOoMpbzErkgqXHJYxB9UOAckSv6ip6ms=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )